they also accuse the president of not being clear about america's role. cbs news correspondent whit johnson is live from the white house with more. whit, first of all, the president spoke with democratic and republican congressional leaders yesterday, yet he apparently is still feeling the heat. why? >> russ, yeah, he may have eased some frustration but many of these lawmakers feel they've been left out of the loop in all of this. a bigger concern, even after this conference call, is that these critics are saying that the administration has not clearly defined the u.s. mission in libya. even after that conference call. and so, they're saying that there's a disconnect between the u.n. resolution, the nato -- the now nato-controlled no-fly zone and the u.s. administration's policy that gadhafi has to go. >> the white house announced this speech to the nation late yesterday afternoon. what can we expect to hear from the president? >> well, russ, president obama is going to have to sell this to the american people, who are already engaged in two wars. and he'